pol·y·chlo·rin·at·ed biphenyl (p l  -klôr  -n t d, -kl r-)n. PCB. |
polychlorinated biphenyl [ˌpɒlɪˈklɔːrɪˌneɪtɪd]
n
(Chemistry / Elements & Compounds) any of a group of compounds in which chlorine atoms replace the hydrogen atoms in biphenyl: used in industry in electrical insulators and in the manufacture of plastics; a toxic pollutant that can become concentrated in animal tissue Abbreviation PCB
| polychlorinated biphenyl (pl-klôr-ntd) See PCB. |
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